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Error
Displayed
Code
Error Text
J0012.3
Phone not allowed
on T-Mobile
network.
J0012.4
Failed to connect.
Location
unknown.
J0012.5
Phone not allowed
on T-Mobile
network.
J0012.6
Failed to connect.
Retry.
J0012.7
Failed to connect.
Retry.
J0012.8
Failed to connect.
Retry.
J0012.9
Failed to connect.
Retry.
Meaning
How to fix it
Network
Connections from the current
connectivity
location are not allowed to go
failed.
through. Using the service at a
different location should fix the
problem.
The phone is not allowed to use
UMA service.
Network
connectivity
failed.
Network
connectivity
failed.
Network
connectivity
failed.
Network
connectivity
failed.
Section 12: WI-FI
Troubleshooting
195
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